High performance rosin esters were produced by esterification reaction of pentaerythritol and toll oil rosin which was purified by reduced pressure distillation.

• 使用普通塔尔油松香和经过减压蒸馏纯化的精制塔尔油松香为原料,适当加入复合添加剂,通过酯化反应制得优质塔尔油松香改性树脂。